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Diffstat (limited to 'Master/texmf-dist/tex/generic/pgf/basiclayer/pgfcoreobjects.code.tex')
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diff --git a/Master/texmf-dist/tex/generic/pgf/basiclayer/pgfcoreobjects.code.tex b/Master/texmf-dist/tex/generic/pgf/basiclayer/pgfcoreobjects.code.tex new file mode 100644 index 00000000000..fd12c5d9146 --- /dev/null +++ b/Master/texmf-dist/tex/generic/pgf/basiclayer/pgfcoreobjects.code.tex @@ -0,0 +1,97 @@ +\ProvidesFileRCS $Header: /cvsroot/pgf/pgf/generic/pgf/basiclayer/pgfcoreobjects.code.tex,v 1.1.1.1 2005/06/29 12:14:04 tantau Exp $ + +% Copyright 2005 by Till Tantau <tantau@cs.tu-berlin.de>. +% +% This program can be redistributed and/or modified under the terms +% of the GNU Public License, version 2. + + +% Object reuse + + +% Define a pgf object for reuse. Such objects will be stored +% efficiently internally. +% +% #1 = name for later reuse +% #2 = lower left corner point of bounding box +% #3 = upper right left corner point of bounding box +% #4 = pure pgf code (nothing too fancy!) +% +% Description: +% +% Used to define reusable objects. The object must be composed of +% basic pgf graphic primitives. Nothing fancy can be used. The +% created object will be stored as an xform object in pdf or as a +% postscript procedure in postscript. +% +% Example: +% +% \pgfdefobject{myrect}{\pgfpoint{-1pt}{-1pt}}{\pgfpoint{11pt}{11pt}} +% {\pgfpathqmoveto{0pt}{0pt} +% \pgfpathqmoveto{10pt}{0pt} +% \pgfpathqmoveto{10pt}{10pt} +% \pgfpathqmoveto{0pt}{10pt} +% \pgfpathclose +% \pgfusepath{stroke}} +% +% \begin{pgfpicture}{0cm}{0cm}{1cm}{1cm} +% \pgfuseobject{myrect} +% \end{pgfpicture} + +\def\pgfdefobject#1#2#3#4{% + \pgfinterruptpath% + \pgf@relevantforpicturesizefalse% + \pgfsys@defobject{#1}{#2}{#3}{#4}% + \endpgfinterruptpath% + \ignorespaces% +} + + +% Use an object that was previously defined using pgfdefobject +% +% #1 = name of previously defined object +% +% Example: +% +% \pgfdefobject{myrect}{\pgfpoint{-1pt}{-1pt}}{\pgfpoint{11pt}{11pt}} +% {\pgfqmoveto{0}{0} +% \pgfqmoveto{10}{0} +% \pgfqmoveto{10}{10} +% \pgfqmoveto{0}{10} +% \pgfclosestroke} +% +% \begin{pgfpicture}{0cm}{0cm}{1cm}{1cm} +% \pgfuseobject{myrect} +% \end{pgfpicture} + +\def\pgfuseobject#1{\pgfsys@beginscope\pgfsys@useobject{#1}{}\pgfsys@endscope} + + +% Use an object that was previously defined using pgfdefobject, but +% magnify the object by the current x and y register values +% +% #1 = name of previously defined object +% +% Example: +% +% \pgfdefobject{myrect}{\pgfpoint{-1pt}{-1pt}}{\pgfpoint{11pt}{11pt}} +% {\pgfqmoveto{0}{0} +% \pgfqmoveto{10}{0} +% \pgfqmoveto{10}{10} +% \pgfqmoveto{0}{10} +% \pgfclosestroke} +% +% \begin{pgfpicture}{0cm}{0cm}{1cm}{1cm} +% \pgf@x=2pt% Scale by factor two in x-direction +% \pgf@y=2pt% Scale by factor two in y-direction +% \pgfuseobjectmagnify{myrect} +% \end{pgfpicture} + +\def\pgfuseobjectmagnify#1{% + \pgfsys@beginscope% + \pgfsys@useobject{#1}{\pgfsys@transformxyscale{\pgf@sys@tonumber{\pgf@x}}{\pgf@sys@tonumber{\pgf@y}}}% + \pgfsys@endscope% +} + + +\endinput |